Plastering machine



Nov. 25, 1930. F. POTYIE PLASTERING MACHINE 5 Sheets-Shet 1 Filed March 7, 1929 v jz zqyeslofyzle Nov. 25, 1930. F. POTYIE 1,783,098

PLASTERING MACHINE Filed Mafch 7. 1929 s Sheets-Sheet 2 ATTORNEY face to be plastered,

Patented Nov. 25, 1930 UNITED STATES PA ENT OFFICE ra s ns roryru, or PHILADELPHIA, PENNSYLVANIA PLASTERING MACHINE Application filed March 7,

The present invention an improved plastering mach ne particularly adapted for use in applying plaster-to plain y walls and partitions, the purpose being, 111 ,5 pp ying t e pl t t p te a W t anv against and to applythe plaster, a roller acting against the canvas or per flexible means, to not only spread the plaster and press it in shape, butdue to the", character of 10 the face of thecanvaato leaves tucco iinish or appearance,

Another purpose 1 plain wall orpartition, the canvasacting to leave a stucco finish ,or appearance. I

Another purpose is to 1 provide a mortar trough cooperating ,With the canvas apron anda smoothing roller, so that the ,moltarqr plaster may be readily spread upon the sur- Another purpose is to lreep the canvas apron 5 thoroughl saturated with a moisture such ,as water or taelike, s o that as the canvas operates over thesurface of the mortar or plaster, the latter will spread and adhere to the surface A great many of the plastersnow used are usually Worked or spread ,upon the ,Wallor surface With a hand trowel and board or Similar mplements, WhiQ E S mower le a u and ng hy j b, and in th endth re is left no finish of any kind. WVliatever fin ig t b equ r d must u s q ently wa ed- 5 I A t rrllrp eisto pr videi pla es ihg machine a roller operated canvas with an overlying mortar trough to protect the canvason the roller from the plaster or mortar or the like as the, plaster is spread on the 5C surface, in combination with means on the 1929. Serial meiaica carriage on the frame to keep the canvas thoroughly moist as it unreels and spreads the mortar or plaster on the surface.

Another purpose isto provide ina plaster? ing machine a frame; and a carriage guided perpendicularly thereon in combination with means for operating the carriage manually.

It is to beunderstood that theparticulars herein given are; in no Waylimitative, and that'while still keeping within the scopeiof the invention, any desired modification of details and proportions may be made in the construction of the appliance according to circumstances.

The invention comprises further features and combination of parts to be hereinafter set forth,shown in the drawings and claimed.

In the drawings Figure 1-1s a view 111 side elevat on of the lmproved plastermg machlneconstructed in accordance of the invention and positioned adjacent a Wall or other surface to be plas- FigureQ-is a plan View of the machine. Figure 3---is an enlarged sectional view on line 33 of Figure 2 showing the upper part of the machineand more clearly showing the construction ofthe carriage. 4

Figure ke-is an enlarged detailed view of one end of a portion of the carriage,showing the roller operated canvas and illustrating a the mortar trough and the spring tensioned roller for the canvas including the water trough, Whichmay contain any suitable saturating means. a i

Figure l5is an enlarged detailed sectional View of one of the bearings for one ofthe guide or operating rods. 7

Figure 6is a detail view of the trough 33 and its spring tensioned roller, 34, showing the pintlen36 and slot 87.,

Referring to the drawings 1 identifies a frame which, may be any suitable shape, any height or otherwise suitably proportioned.

The frame is preferably elongated in a vertical direction, comprising on upper T- shaped sectionQ and a lower section their length, the threads being of any suitable design, there being requisite holding and lock nuts 4 and 5 at the top and bottom for cooperation with the upper and lower sections of the frame, to retain the sections in position and rigid relative to the rods. It is obvious that the rods which constitute portions of the frame may be any length though it is to be understood that the rods should correspond to the average height of a wall or partition to be plastered. However, every machine is to be equipped with various lengths of rods, so that a frame may be made to acconnnodate walls of different heights.

As previously stated the rods are threaded, and the frame, due to the bearings 6 and 7 of the top and bottom sections 2 and 3 is rigid, and operable on these rods, that is threaded thereon, are bushings 8 and 9, the bushings 9, as in Figure 1, being on the left side of the machine, while the bushing 8, as in Figure 1, is on the right hand side of the machine. These bushings are swiveled in bearings 10 of a carriage 11, there being ball bearings 12 to permit the bushings to operate freely, and as the bushin s rotate the carriage moves vertically on the rods 4 and 5.

Mounted on the bushings S and 9 are the hubs 13 of the pinions or gears 14 and 15, the gear 14 being carried by the bushing 8,-while the two gears 15 to the left, as in Figure 1, are carried by the bushings 9, there being set bolt-s or screws 16 to cause the gears to rotate with the bushings.

A vertical stub axle or stub shaft 18 is provided, and it has a disc base or flange 19, which is secured on the support or cross pieces 17 of the carriage 11, and journaled upon this stub axle or shaft is a center drive gear 20 provided with a hand wheel 21. This drive gear 20 meshes with the gears or pinions 14 and 15 and therebyimpart movement thereto so as to feed the bushings perpendicularly on the rods 4 and 5.

The carriage 11 is provided with roller bearings 22, on which the under surface of the rim of the gear wheel 20 operates, so as to render the rotation of the gear 20 comparatively easy.

The carriage 11 has connected thereto an extension carriage 23, the connection being identified by the numeral 24. This extension carriage in plan View is substantially U- shaped or angular formation, and mounted upon the arms of this extension carriage are the slotted sleeves 26, there being transverse pins 27 passing through the slots 27 of the sleeves to limit the sleeves in their outward lateral movement. Interposed between the sleeves and collars 28 and in surrounding relation to the arms 25 are coil springs 29, which constitute yielding means for the sleeves.

Extending the length of the extension carriage and connecting the two slotted sleeves is a rocking rod 30, with which the supports 31 rock. These supports 31 are in the form of right angled levers, and certain of their arms assume substantially upstanding positions, while certain other of their arms assume substantially horizontal positions, and projecting from the upstanding arms are pins 32 on which a water trough 33 is mounted for slight swivel movement. In other words the pins 32 extend through the end walls of the trough.

Located within the trough is a spring tensioned roller 34, one similar to a shade roller, its spring, shown in Figure 6, being internally carried by the roller. This roller has a cylin drical pintle 35 at one end to engage in a depression in one of the pins 32, while the other end of the roller has a rectangular pintle 36 for engagement in a slot 37 of the other pin 32. Connected to the spring roller and wound thereon is a plastering sheet 38. This plastering sheet may be'made of any pliable material such as heavy canvas or the like, or other material that will give the appearance of stucco work on the surface of the plaster. The water trough, in using the machine, is supplied with a quantity of water, thereby keeping the canvas or sheet 38 wet. This sheet or canvas passes over a smoothing or plastering roller 39 and has its other end connected in any suitable manner at 40 to the lower part of the frame of the machine.

The roller 39 is journaled in the substantially horizontal arms of the supports 31, which may be adjusted by rocking them, so as to dispose the roller 39 as may be desired. Whatever positions the supports 31 may assume, possibly engaged with the projections 31, as in dotted lines, the water trough 3t; accommodates itself with respect to the spring tensioned roller, so as not to spill the water in the trough.

The sleeves 26 are provided with extension arms 41, which have teeth 42, and carried by the substantially horizontal arms of the supports 31 are dogs or pawls 43, which may be disposed to engage with the teeth 42 so as to retain the supports 31 in their adjusted positions, said pawls being pivoted M43.

The flanges 44 of the bushings support the carriage 11, certain of the ball bearings cooperating between the flanges 44 and the carrlage.

The upper and lower parts of the frame 1 of the machine are provided with wall props 45 and 46, to engage with the wall, in order to space the frame of the machine the proper distance from the surface to be plastered, in order to permit the plastering canvas or sheet to operate properly in applying the plaster.

A plaster or mortar trough 47 is carried by the substantially horizontal arms of the supports 31, and it has an inclined bottom with curved portlons to more or less conform to and be arranged over the canvas or sheet'38at a point where it passes over the roller 39, the

end flanges 48 ofthe mortar or plaster trough prevent the plaster or mortar from escaping from the ends. The end flanges 418 of the mortar, trough l7 at their lower portions have notches 48 which engage a shaft 4:8,carried by and connecting the horizontal arms of supp0rts'31, in order to support the trough.

In the operation of the machine the canvas 38 is positioned at the lower part of the frame of the machine, and as the carriage is operated by turning the hand wheel 21 to lower the carriage the spring tensioned roller 34 will cause the canvas or apron 38 to roll on the roller 34. When the'ma-chine is adjusted in the proper position adjacent the surface to be plastered, the roller 39 is disposed close to the surface to be plastered, but not enough as to cause the canvas tocontact with the surface. The plaster or mortar is then filled v in on the mortar trough "between the end apron or canvas being Wet as it passes over the roller 39 the mortar or plaster is pressed against the surface which is to receive the means of the dogs or pawls 43,

plaster,,and due to the canvas being of a heavy weave the face of the plaster will be given the appearance of a stucco finish. In order to arrange the roller 39 in the proper position so as to cause the canvas to apply the mortar or plaster, the supports 31 may be tilted and held in their adjusted positions by The invention having been set forth, what is claimed is:

v 1. In a plastering machine, the combinationwith a frame having screw guide rods and provided with wall props, the latter adapted to bear against the wall or other surfacewhich receives the plaster, of (l-C91 riage operable on the screw rods and having manually operated gearjconnections with the rods whereby the carriage may befed manually in a vertical direction on the rods, said carriage having an extension 'yieldably mounted thereon, and a plastering apron connected to the lower part of the frame and having pay out connectionswith the extension of the carriage for applying the plaster to the wall, means operably associated with and on the extension carriage for saturating the apron, and means for regulating the position of the apron with relationto the wall to be plastered, and a mortar trough associated with the plastering roller and the apron to retain the mortar between the apron and the wall to be plastered.

2. In a plastering machine, the combination with alframehaving screw guide rods and provided, with wall props, the latter adapted to bear against the wall orlother surface to :bepla'stered, of a carriage operable on the screw rods and having manuall op erated gear connections with the rods, w ereby the carnage may be fed manually in a vertical direction on the rods, an extension frame yieldably -mounted on the carriage, a plastering roller mountedwin the extension frame, a nioistening trough on the extension frameirhaving a tensioned roller therein, a

plasteringapron connected to the lower part of the first frame and passing over the plaster roller and wound on the tensioned roller, a mortar-trough operativelysupported on the extension frame and substantially conforming to the apron whereit cooperates with the two rollers, wherebyas the carriage moves upwardly, the apron andthe rollerapplied mortar to the surface tobe plastered.

3. In aplasteringinachine, an upstanding frame. provided with wall props for spac mg the frame from the surface of the wall to be plastered, said frame including guides, a

carriage mountedon the guides and having" elements carried thereby and threaded to the a guides, means onthe carriage operatively associated with the elements ,for moving the carriage; vertically on the guides, an extension frame on the carriage,a .plastering roller on the extension frame, an apron connected to the lower part of the first frame and len-i gaged overthe plastering roller "and provided,

with payout connections with the upper part ofthe-extens1onframe,a mortar trough operatively supported on pintles of theplasten ingroller and substantially conforming to the apron at a point above the plastering roller, whereby iasthe carriage moves vertically:

on the main frame mortar is applied to the surface to beplastered.

1. In a plastering machine, an upstanding frame provided with wall props for spacing the framefromthe surface of the wall to be plastered, said frame including guides, 1a carriage mounted :on the; guides and having elements carried thereby and threaded to the guides, means on the carriage operatively associated with the elements for moving the carriage vertically on the guides, an extension frame 011 the carriage, a plastering roller on theextension frame, anapron connected to the lower part of the first frame and en gaged over the plastering roller and provided with payout connections with the upper part of the extension frame, a mortar trough operatively supported on pintles of the plaster ing roller and substantially conforming to i the apron at a point above the plastering roller, whereby, as the carriage moves vertically on the main frame mortar is applied to the surface to be plastered, said extension frame being yieldable, allowing the mortar to be evenly distributed.

In a plastering machine, a carriage having an extension frame provided with tiltable elements, means for holding the elements in different tilted positions, a plastering roller mounted in the lower parts of the elements, a moistening trough carried by the upper parts of said elements and having therein a tensioned roller, an apron passing over the plastering roller and into said trough and wound on the tensioned roller, an upstanding frame on which the carriage is guided, means for operating the carriage on the upstandin frame, one end of the apron being attached to the lower part of the supporting frame, and a mortar trough operatively supported on and associated with said elements and substantially conforming to the apron where it cooperates with both rollers, whereby as the carriage moves vertically, mortar may be applied tothe surface to be plastered.

6. In a plastering machine, a carriage having an extension frame provided with tiltable elements, means for holding the elements in different tilted positions, a plastering roller mounted in the lower parts of the elements, a moistening trough carried by the upper parts of said elements and having therein a tensioned roller, an apron passing over the plastering roller and into said trough and wound on the tensioned roller, an upstanding frame on which the carriage is guided, means for operating the carriage on the upstanding frame, one end of the apron being attached to the lower part of the supporting frame, and a mortar trough operatively supported on and associated with said elements and sub stantially conforming to the apron where it cooperates with both rollers, whereby as the carriage moves vertically, mortar may be applied to the surface to be plastered, said extension frame being slidable on and yieldably connected to the carriage, whereby the mortar may be evenly distributed on the surface.

In testimony whereof he afiixes his signature.

FRIGYES POT YIE. 

